js base64转码函数传参 java后台BASE64Decoder解析
前台字符串内容转换成base64
window.btoa(curURl) ) //base64转码防止丢失内容
BASE64Decoder后台获取真实URL
sun.misc.BASE64Decoder decoder = new sun.misc.BASE64Decoder();
bt = decoder.decodeBuffer(url);
url = new String(bt,"utf-8");
System.out.println("curURL:"+url);